Mk3highline 10 Posted November 12, 2014 Changed the plugs other day and Is this the normal colour look a little light to me Sun light don't help Got same colour wit a wot and part throttle run too Quote Share this post Link to post Share on other sites
Hairyarse 10 Posted November 12, 2014 Yeah colour looks right. Is there build-up on the central electrode? Quote Share this post Link to post Share on other sites
Mk3highline 10 Posted November 12, 2014 Not any more there was a light grey/white mark on the tip Before I did the swap the plugs were all black Quote Share this post Link to post Share on other sites
Hairyarse 10 Posted November 12, 2014 Black isn't good! This may help - http://ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp :thumbleft: Quote Share this post Link to post Share on other sites
Mk3highline 10 Posted November 12, 2014 Black when I bought the engine it only has 60k odd miles on this engine Might explain the dodgy ecu With being a little colour blind its a bit hard to read plugs precisely But been using this for a while http://www.4secondsflat.com/Spark_plug_reading.html Quote Share this post Link to post Share on other sites
